Re: [R] Structural equation modeling in R(lavaan,sem)

From: yrosseel <yrosseel_at_gmail.com>
Date: Wed, 30 Mar 2011 09:11:34 +0200

On 03/29/2011 10:49 PM, jouba wrote:
>
> Dear all
>
> I have an error mesage
> « error message : the MLM estimator can not be used when data are incomplete »
> When i use the function sem(package lavaan) and when i fill the paramters estimator and missing
> estimator="MLM", missing="ml"
>
> i understand by this that i am not allowed to use estimator= ``mlm `` in parralle to the parameter missing

You understood correctly. Estimator 'MLM' (=ML estimation + Satorra-Bentler scaled test statistic) is only defined for complete data. The equivalent for incomplete data is the estimator 'MLR' (=ML estimation + Yuan-Bentler scaled test statistic).

Yves.



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